en
620 Engineering
621 Applied physics
fr
620 Ingénierie
621 Physique appliquée
es
620 Ingeniería
621 Física aplicada
sv
620 Ingenjörsvetenskap
621 Tillämpad fysik
pt
620 Engenharia
621 Física aplicada
ru
620 Техника
621 Прикладная физика
zh
620 工程
621 应用物理
ar
620 الهندسة.
621 الفيزياء التطبيقية.
af
620 Ingeneurswetenskappe
621 Toegepaste fisika
no
620 Teknikk
621 Anvendt fysikk
de
620 Ingenieurwissenschaften
621 Angewandte Physik
gd
620 Einnseanaireachd
621 Fiosaigs gnìomhach
Dewey Decimal Classification
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